ORA-27073: Trying to close a file which has async I or Os pending to be dequeued

ORA-27073: Trying to close a file which has async I or Os pending to be dequeued

Cause: internal error, the file is being closed but not all async I or Os to the file have been dequeued, additional information indicates number of I or Os pending on the file

Action: check for trace file and contact Oracle Support